Order now the 2080-LC20-20QBB, a powerful and cost-effective programmable logic controller from the Allen-Bradley Micro820 series. This 20-point controller is specifically designed for standalone machines and remote automation projects requiring robust performance in a compact form factor.
What Is the 2080-LC20-20QBB?
The 2080-LC20-20QBB is a Micro820 controller that features a balanced set of built-in I/O, including 12 digital inputs, 7 digital sourcing outputs, and 1 analog output. It is engineered to provide high-performance control for applications such as pump control, HVAC systems, and material handling. A standout feature of the 2080-LC20-20QBB is its integrated 10/100 Base-T Ethernet port, which supports EtherNet/IP for peer-to-peer messaging and programming. Additionally, it includes a microSD card slot for data logging and recipe management, and an embedded non-isolated serial port (RS232/RS485) for Modbus RTU or ASCII communication. Its architecture supports up to two plug-in modules, allowing users to customize the I/O or communication capabilities without increasing the footprint of the PLC.
Key Technical Specifications
- Total I/O: 20 Points
- Digital Inputs: 12 (24V DC Sinking/Sourcing)
- Digital Outputs: 7 (24V DC Sourcing/PNP)
- Analog I/O: 1 Analog Output (0-10V)
- Configurable Inputs: 4 inputs can be used as 0-10V Analog Inputs
- Communication: Ethernet, RS232/RS485 Serial
- Storage: MicroSD card slot for data log/backup
- Power Supply: 24V DC required
- Programming: Connected Components Workbench (CCW)
System Architecture and Connectivity
The Micro820 architecture is designed for «The Connected Enterprise.» The 2080-LC20-20QBB acts as a central hub for distributed I/O, allowing it to communicate with other PLCs or SCADA systems via Ethernet. Its ability to repurpose four digital inputs as analog inputs provides exceptional flexibility for small process applications. Furthermore, the controller can be connected to the 2080-REMLCD Remote LCD module, enabling operators to view and change variables or check system status without opening the control panel. This combination of local control, advanced networking, and expandable hardware makes it a premier choice for modern industrial machine builders.
Installation Advice
When installing the 2080-LC20-20QBB, ensure there is at least 50mm (2 inches) of clearance on all sides to allow for proper convection cooling. Use a high-quality 24V DC power supply, such as the 2080-PS120-240VAC, to ensure stable operation and protection against voltage spikes. When using the embedded analog inputs, always use shielded twisted-pair cables to minimize electromagnetic interference. If you are using the Ethernet port for DLR or high-speed communication, verify that your network architecture supports the expected traffic to avoid latency in critical control loops.
Frequently Asked Questions
Q: Does the 2080-LC20-20QBB support high-speed counting?
A: Yes, it features one high-speed counter (HSC) input capable of up to 5 kHz, suitable for simple positioning or flow meter applications.
Q: Can I program this controller with RSLogix 500 or Studio 5000?
A: No, the Micro800 series, including the 2080-LC20-20QBB, is programmed exclusively using the Connected Components Workbench (CCW) software.
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